// 随便写一些代码，之后要格式化这些代码

const str = "Helo World";

const arr = [
  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
  23, 24, 25, 26, 27, 28, 29, 30,
];

const obj = {
  name: "John Doe",
  age: 30,
  address: {
    city: "New York",
    state: "NY",
  },
};

